And generally speaking, it's much cheaper to buy a plug-in DAQ device than a standalone instrument. 总的来说，买一张插入式数据采集卡比购买一部传统仪器要便宜得多。
We have developed a new digital two-detector Doppler broadening measurement system in which a DAQ card is used to replace some conventional units. 研制成功国际上最早使用数据采集卡的数字化双多普勒展宽谱仪。
